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# coding: utf-8
import unittest
import os
import magic
# magic_descriptor is broken (?) in centos 7, so don't run those tests
SKIP_FROM_DESCRIPTOR = bool(os.environ.get('SKIP_FROM_DESCRIPTOR'))
class MagicTestCase(unittest.TestCase):
filename = 'testdata/test.pdf'
expected_mime_type = 'application/pdf'
expected_encoding = 'us-ascii'
expected_name = 'PDF document, version 1.2'
def assert_result(self, result):
self.assertEqual(result.mime_type, self.expected_mime_type)
self.assertEqual(result.encoding, self.expected_encoding)
self.assertEqual(result.name, self.expected_name)
def test_detect_from_filename(self):
result = magic.detect_from_filename(self.filename)
self.assert_result(result)
def test_detect_from_fobj(self):
if SKIP_FROM_DESCRIPTOR:
self.skipTest("magic_descriptor is broken in this version of libmagic")
with open(self.filename) as fobj:
result = magic.detect_from_fobj(fobj)
self.assert_result(result)
def test_detect_from_content(self):
# differ from upstream by opening file in binary mode,
# this avoids hitting a bug in python3+libfile bindings
# see https://github.com/ahupp/python-magic/issues/152
# for a similar issue
with open(self.filename, 'rb') as fobj:
result = magic.detect_from_content(fobj.read(4096))
self.assert_result(result)
if __name__ == '__main__':
unittest.main()
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